If the material deposited in a long ridge extending out from a coast grows to completely cut off the bay from an ocean, it becomes a
A) barrier spit. B) lagoon. C) tombolo. D) baymouth bar.
D
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In 1402, a world map was produced which was by far the most accurate representation for the times. This map was produced in which country?
A) England B) Spain C) Korea D) China E) the United States
In adjacent rocks that show a gradual increase in metamorphic intensity, the first appearance of a
particular index mineral indicates a. the location of the minimum pressure and temperature conditions needed for the formation of that mineral. b. the location of the maximum pressure and temperature conditions needed for the formation of that mineral. c. the rocks formed under the same broad conditions of temperature and pressure. d. the location on Bowen’s reaction series where that mineral is in equilibrium.
Which of the following is not true of the Intergovernmental Panel on Climate Change (IPCC)?
A) In its 2007 assessment, the IPCC identified a number of ways in which climate is changing. B) The IPCC's assessment included statements reflecting the confidence of the participating scientists that the current climate changes began in the twentieth century. C) The IPCC stated that warming is caused at least in part by humans. D) The IPCC stated that warming will occur in the twenty-first century. E) The IPCC stated that changes in human behavior will not reduce warming in the future.
What is the primary chemical responsible for the ozone hole?
A. carbon monoxide B. carbon dioxide C. methane D. smog E. CFCs